# 57

## 57 is an odd composite number composed of two prime numbers multiplied together.

What does the number 57 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

57 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 57:

### 3 × 19

See below for interesting mathematical facts about the number 57 from the Numbermatics database.

### Names of 57

• Cardinal: 57 can be written as Fifty-seven.

### Scientific notation

• Scientific notation: 5.7 × 101

### Factors of 57

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 22

### Divisors of 57

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 80
• Sum of proper divisors (its aliquot sum) s(n): 23
• 57 is a deficient number, because the sum of its proper divisors (23) is less than itself. Its deficiency is 34

### Bases of 57

• Binary: 1110012
• Base-36: 1L

### Squares and roots of 57

• 57 squared (572) is 3249
• 57 cubed (573) is 185193
• The square root of 57 is 7.5498344353
• The cube root of 57 is 3.8485011313

### Scales and comparisons

How big is 57?
• A cube with a volume of 57 cubic inches would be around 0.3 feet tall.

### Recreational maths with 57

• 57 backwards is 75
• The number of decimal digits it has is: 2
• The sum of 57's digits is 12
• More coming soon!